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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+5.93%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$10.7B
AUM Growth
-$908M
Cap. Flow
-$1.39B
Cap. Flow %
-13.04%
Top 10 Hldgs %
17.51%
Holding
1,529
New
105
Increased
364
Reduced
634
Closed
286

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66.7M
2
G icon
Genpact
G
+$27.6M
3
ZTS icon
Zoetis
ZTS
+$17.2M
4
MBLY
Mobileye N.V.
MBLY
+$16.2M
5
PLAY icon
Dave & Buster's
PLAY
+$13.9M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$104M
2
GILD icon
Gilead Sciences
GILD
+$42.3M
3
MA icon
Mastercard
MA
+$37.4M
4
MJN
Mead Johnson Nutrition Company
MJN
+$37.4M
5
AMZN icon
Amazon
AMZN
+$33.3M

Sector Composition

Rank Sector Weight
1 Healthcare 19.61%
2 Technology 14.78%
3 Industrials 12.48%
4 Financials 12.35%
5 Consumer Discretionary 11.45%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SEP
476
DELISTED
Spectra Engy Parters Lp
SEP
$1.89M 0.02%
39,564
+5,757
+17% +$246K
AET
477
DELISTED
Aetna Inc
AET
$1.88M 0.02%
17,344
-180
-1% -$19.5K
HSIC icon
478
Henry Schein
HSIC
$9.83B
$1.86M 0.02%
30,019
+1,342
+5% +$79.8K
PNC icon
479
PNC Financial Services
PNC
$101B
$1.85M 0.02%
19,464
-912
-4% -$84.7K
PFNX
480
DELISTED
Pfenex Inc.
PFNX
$1.85M 0.02%
149,844
+2,998
+2% +$44.2K
CRTO icon
481
Criteo S.A. Ordinary Shares
CRTO
$922M
$1.85M 0.02%
46,708
+400
+0.9% +$15.9K
SIRI icon
482
SiriusXM
SIRI
$10.1B
$1.85M 0.02%
45,396
+750
+2% +$30.3K
DE icon
483
Deere & Co
DE
$168B
$1.85M 0.02%
24,210
-1,450
-6% -$112K
NOC icon
484
Northrop Grumman
NOC
$80.1B
$1.84M 0.02%
9,727
+327
+3% +$59.9K
SRE icon
485
Sempra
SRE
$55.9B
$1.81M 0.02%
38,628
-5,458
-12% -$270K
NXPI icon
486
NXP Semiconductors
NXPI
$60.4B
$1.81M 0.02%
21,478
-28,816
-57% -$2.47M
FMI
487
DELISTED
Foundation Medicine, Inc.
FMI
$1.79M 0.02%
85,224
+9,262
+12% +$179K
EL icon
488
Estee Lauder
EL
$31.5B
$1.78M 0.02%
20,210
-2,977
-13% -$254K
TRV icon
489
Travelers Companies
TRV
$80.1B
$1.77M 0.02%
15,669
+4,454
+40% +$495K
AZN icon
490
AstraZeneca
AZN
$249B
$1.74M 0.02%
25,666
+2,447
+11% +$160K
EA
491
DELISTED
Electronic Arts
EA
$1.73M 0.02%
25,141
+5,615
+29% +$394K
GARS
492
DELISTED
Garrison Capital Inc.
GARS
$1.73M 0.02%
141,900
-39,450
-22% -$535K
GPN icon
493
Global Payments
GPN
$22.7B
$1.72M 0.02%
26,585
-5,195
-16% -$350K
ENV
494
DELISTED
ENVESTNET, INC.
ENV
$1.71M 0.02%
57,390
-7,100
-11% -$219K
NSC icon
495
Norfolk Southern
NSC
$76.1B
$1.71M 0.02%
20,224
-516
-2% -$44.2K
YHOO
496
DELISTED
Yahoo Inc
YHOO
$1.71M 0.02%
51,412
+1,111
+2% +$37.1K
INFO
497
DELISTED
IHS Markit Ltd. Common Shares
INFO
$1.69M 0.02%
+55,940
New +$1.66M
EFG icon
498
iShares MSCI EAFE Growth ETF
EFG
$17.2B
$1.68M 0.02%
25,026
+4,270
+21% +$289K
SEIC icon
499
SEI Investments
SEIC
$12.5B
$1.67M 0.02%
31,807
+22,260
+233% +$1.16M
CMI icon
500
Cummins
CMI
$88.4B
$1.66M 0.02%
18,864
+4,207
+29% +$420K
18 19
20
21 22

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William Blair & Company's Q4 2015 Portfolio in Review

As of Q4 2015, William Blair & Company held 1,529 positions worth $10.7B, down 7.9% from $11.6B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company withdrew a net $1.39B in Q4 2015, closing 286 positions and reducing 634 holdings. Its most notable exit was Barracuda Networks, Inc., an estimated $7.62M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 20% of assets, up from 19% a quarter earlier, followed by Technology and Industrials.

Against the trend, William Blair & Company opened a new position in Alphabet (Google) Class A worth $70.1M.

  • William Blair & Company's largest Q4 2015 buy was Alphabet (Google) Class A: 1,802,460 shares worth $70.1M.
  • William Blair & Company added most to Zoetis in Q4 2015, an estimated $17.2M increase.
  • William Blair & Company's biggest Q4 2015 reduction was Alphabet (Google) Class C, cutting an estimated $104M.
  • William Blair & Company fully exited Barracuda Networks, Inc. in Q4 2015, selling an estimated $7.62M.
  • William Blair & Company's ten largest holdings make up 18% of its $10.7B portfolio in Q4 2015.
  • William Blair & Company opened 105 new positions and closed 286 in Q4 2015.
  • William Blair & Company's portfolio value fell 7.9% quarter-over-quarter to $10.7B.

Based on William Blair & Company's 13F filing for Q4 2015, filed 16 Feb 2016.